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<?php |
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/** |
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* Created by PhpStorm. |
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* User: egorov |
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* Date: 23.01.2015 |
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* Time: 13:13 |
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*/ |
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namespace samsonphp\deploy; |
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/** |
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* Implementation of remote connection logic |
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* @package samsonphp\deploy |
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*/ |
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class Remote |
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{ |
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/** @var resource */ |
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protected $handle; |
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/** @var string Current remote folder path */ |
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protected $currentFolder; |
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/** @var integer Time difference between remote and local */ |
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protected $timeDiff; |
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/** |
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* Generic log function for further modification |
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* @param string $message |
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* @return mixed |
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*/ |
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public function log($message) |
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{ |
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// Get passed vars |
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$vars = func_get_args(); |
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// Remove first message var |
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array_shift($vars); |
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// Render debug message |
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trace(debug_parse_markers($message, $vars)); |
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return false; |
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} |
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/** |
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* Constructor |
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* @param string $host |
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* @param string $login |
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* @param string $pwd |
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*/ |
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public function __construct($host, $login, $pwd) |
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{ |
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// Connect to remote |
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$this->handle = ftp_connect($host); |
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// Login |
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if (!ftp_login($this->handle, $login, $pwd) !== false) { |
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$this->log('Cannot login to remote server [##:##@##]', $login, $pwd, $host); |
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} |
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// Switch to passive mode |
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ftp_pasv($this->handle, true); |
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// Get time difference |
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$this->timeDiff = $this->getTimeDifference(); |
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} |
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/** |
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* Compare local file with remote file |
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* @param string $fullPath Full local file path |
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* @param int $maxAge File maximum possible age |
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* @return bool True if file is old and must be updated |
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*/ |
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public function isOld($fullPath, $maxAge = 1) |
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{ |
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// Read ftp file modification time and count age of file and check if it is valid |
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return (filemtime($fullPath) - (ftp_mdtm($this->handle, basename($fullPath)) + $this->timeDiff)) > $maxAge; |
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} |
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/** Destructor */ |
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public function __destruct() |
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{ |
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ftp_close($this->handle); |
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} |
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/** |
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* Write temp file to remote system and count difference |
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* @param string $localPath Path to local file |
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* @return int Time difference between systems |
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*/ |
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private function writeTempFile($localPath) |
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{ |
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// Remote file name |
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$tsFileName = basename($localPath); |
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// Copy file to remote |
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if ($this->write($localPath)) { |
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// Get difference |
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$diff = abs(filemtime($localPath) - ftp_mdtm($this->handle, $tsFileName)); |
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$this->log('Time difference between servers is [##]', $diff); |
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ftp_delete($this->handle, $tsFileName); |
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// Convert to hours |
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return (integer)($diff > 3600 ? (floor($diff / 3600) * 3600 + $diff % 3600) : 0); |
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} |
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return 0; |
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} |
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/** |
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* Get time difference between servers |
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* @return integer Time difference between servers |
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*/ |
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protected function getTimeDifference() |
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{ |
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// Create temp file |
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$localPath = tempnam(sys_get_temp_dir(), 'test'); |
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// Count time difference |
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$diff = $this->writeTempFile($localPath); |
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// Remove local temp file |
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unlink($localPath); |
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return $diff; |
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} |
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/** |
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* Go one level up in directory |
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*/ |
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public function cdup() |
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{ |
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ftp_cdup($this->handle); |
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} |
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/** |
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* Change current remote folder |
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* @param string $path Path to folder |
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* @return bool False if we cannot change folder |
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*/ |
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public function cd($path) |
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{ |
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// Go to root folder |
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if (!ftp_chdir($this->handle, $path)) { |
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return $this->log('Remote folder[##] not found', $path); |
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} |
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// Check if we can write there |
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if (!$this->isWritable()) { |
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return $this->log('Remote path [##] is not writable', $path); |
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} |
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$this->log('Switching to [##] folder', $path); |
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// Store current folder |
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$this->currentFolder = ftp_pwd($this->handle); |
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return true; |
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} |
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/** |
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* Try to write to remote |
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* @return bool True if we can write to remote |
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*/ |
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public function isWritable() |
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{ |
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// Create temp file |
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$path = tempnam(sys_get_temp_dir(), 'test'); |
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// Get temp file name |
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$fileName = basename($path); |
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// Copy temp file to remote |
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if (ftp_put($this->handle, $fileName, $path, FTP_ASCII)) { |
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// Remove temp file |
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ftp_delete($this->handle, $fileName); |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Create remote directory and get into it |
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* @param $path |
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*/ |
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public function mkDir($path) |
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{ |
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// Try get into this dir, maybe it already there |
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if (!@ftp_chdir($this->handle, $path)) { |
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// Create dir |
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ftp_mkdir($this->handle, $path); |
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// Change rights |
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ftp_chmod($this->handle, 0755, $path); |
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// Go to it |
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ftp_chdir($this->handle, $path); |
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} |
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} |
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/** |
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* Write remote file |
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* @param string $fullPath Local file path |
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* @return bool True if success |
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*/ |
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public function write($fullPath) |
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{ |
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$fileName = basename($fullPath); |
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$this->log('Uploading file [##]', $fullPath); |
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// Copy file to remote |
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if (ftp_put($this->handle, $fileName, $fullPath, FTP_BINARY)) { |
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// Change rights |
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ftp_chmod($this->handle, 0755, $fileName); |
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$this->log('-- Success [##]', $fullPath); |
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return true; |
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} else { |
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$this->log('-- Failed [##]', $fullPath); |
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} |
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return false; |
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} |
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} |
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